condition mean min max Sterile Leaflet 0.6686766666666667 0.0 2.00603 Fertile Leaflet with Sori 2.906469 0.329132 7.7442 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.17058533333333334 0.0 0.511756